Add 75/7 and 27/30
1st number: 10 5/7, 2nd number: 27/30
75/7 + 27/30 is 813/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
75/7 = 75 × 30/7 × 30 = 2250/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
27/30 = 27 × 7/30 × 7 = 189/210 - Add the two like fractions:
2250/210 + 189/210 = 2250 + 189/210 = 2439/210 - 2439/210 simplified gives 813/70
- So, 75/7 + 27/30 = 813/70
In mixed form: 1143/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/7+54/30 75/14+27/30 75/7+27/60 75/7+81/30 75/21+27/30 75/7+27/90 75/35+27/30 75/49+27/30